In zero gravity, a candle's flame is round and blue.
16
The smell of freshly cut grass is actually a plant distress call.
31
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
Diamonds can be shattered with a hammer.
-104
Nuclear power prevented an average of over 1.8 million deaths between 1971-2009 as a result of lower air pollution from reduced coal usage according to NASA.
5
Indoor pollution is 10 times more toxic than outdoor pollution.
62
Oak trees produce 2,200 acorns in a season, but each acorn only has a 1 in 10,000 chance of becoming an oak tree.
304